Build a base RNG Offline Earnings Estimator
Estimate offline income in Build a base RNG based on hourly rate, hours away, and defense uptime percentage.
Estimation Formula
Estimated earnings = hourly income × hours × (defense uptime %) × bonus multiplier. Defense uptime reflects how often zombies leak without you repairing.
Improving Inputs
Measure hourly income after placing best structures from tier list. Conservative uptime if you recently leaked — see offline guide.
Offline Caps
Games may cap offline hours. If returns seem low after long breaks, check patch notes for cap changes.
Frequently Asked Questions
Include boss income?
Only if bosses run on offline timers — usually exclude.
What uptime should I use?
100% if never leaks; 70–85% if occasional leaks; lower if untested layout.
Do boosts stack offline?
Passive multipliers usually yes; active skills no.
Private server affect offline?
Only if economy behaves differently — test once.